Final answer:
The heart rate after 30 seconds of PPV that moves the chest if it is under 60 depends on factors that need more specific information. A heart rate below 60 may indicate bradycardia.
Step-by-step explanation:
The heart rate after 30 seconds of PPV (Positive Pressure Ventilation) that moves the chest would depend on several factors and cannot be accurately determined without more specific information. Additionally, a heart rate below 60 is considered bradycardia, which may indicate a condition where the heart is unable to maintain adequate blood flow to vital tissues. In this case, immediate medical attention would be necessary.